Disable Webpack setImmediate polyfill

Author: Brian Vaughn

packages/react-devtools-extensions/webpack.backend.js

@@ -26,6 +26,10 @@ module.exports = {
     path: __dirname + '/build',
     filename: 'react_devtools_backend.js',
   },
+  node: {
+    // Don't define a polyfill on window.setImmediate
+    setImmediate: false,
+  },
   resolve: {
     alias: {
       react: resolve(builtModulesDir, 'react'),

packages/react-devtools-extensions/webpack.config.js

@@ -31,6 +31,10 @@ module.exports = {
     path: __dirname + '/build',
     filename: '[name].js',
   },
+  node: {
+    // Don't define a polyfill on window.setImmediate
+    setImmediate: false,
+  },
   resolve: {
     alias: {
       react: resolve(builtModulesDir, 'react'),